404332342212 has 24 divisors (see below), whose sum is σ = 944310094336. Its totient is φ = 134653452768.

The previous prime is 404332342207. The next prime is 404332342231. The reversal of 404332342212 is 212243233404.

It is a self number, because there is not a number n which added to its sum of digits gives 404332342212.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15485743 + ... + 15511830.

Almost surely, 2^404332342212 is an apocalyptic number.

It is an amenable number.

404332342212 is an abundant number, since it is smaller than the sum of its proper divisors (539977752124).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

404332342212 is a wasteful number, since it uses less digits than its factorization.

404332342212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30998667 (or 30998665 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 30.

Adding to 404332342212 its reverse (212243233404), we get a palindrome (616575575616).

The spelling of 404332342212 in words is "four hundred four billion, three hundred thirty-two million, three hundred forty-two thousand, two hundred twelve".